diff --git a/collector/fixtures/e2e-64k-page-output.txt b/collector/fixtures/e2e-64k-page-output.txt
index 99c58abaf7..348d31051a 100644
--- a/collector/fixtures/e2e-64k-page-output.txt
+++ b/collector/fixtures/e2e-64k-page-output.txt
@@ -2579,12 +2579,12 @@ node_nfs_requests_total{method="FsidPresent",proto="4"} 11
 node_nfs_requests_total{method="GetACL",proto="4"} 36
 node_nfs_requests_total{method="GetAttr",proto="2"} 57
 node_nfs_requests_total{method="GetAttr",proto="3"} 1.061909262e+09
-node_nfs_requests_total{method="GetDeviceInfo",proto="4"} 1
+node_nfs_requests_total{method="GetDeviceInfo",proto="4"} 90
 node_nfs_requests_total{method="GetDeviceList",proto="4"} 0
 node_nfs_requests_total{method="GetLeaseTime",proto="4"} 28
 node_nfs_requests_total{method="Getattr",proto="4"} 88
 node_nfs_requests_total{method="LayoutCommit",proto="4"} 26
-node_nfs_requests_total{method="LayoutGet",proto="4"} 90
+node_nfs_requests_total{method="LayoutGet",proto="4"} 1
 node_nfs_requests_total{method="LayoutReturn",proto="4"} 0
 node_nfs_requests_total{method="LayoutStats",proto="4"} 0
 node_nfs_requests_total{method="Link",proto="2"} 17
diff --git a/collector/fixtures/e2e-output.txt b/collector/fixtures/e2e-output.txt
index d52cb99d04..acfbb1b510 100644
--- a/collector/fixtures/e2e-output.txt
+++ b/collector/fixtures/e2e-output.txt
@@ -2601,12 +2601,12 @@ node_nfs_requests_total{method="FsidPresent",proto="4"} 11
 node_nfs_requests_total{method="GetACL",proto="4"} 36
 node_nfs_requests_total{method="GetAttr",proto="2"} 57
 node_nfs_requests_total{method="GetAttr",proto="3"} 1.061909262e+09
-node_nfs_requests_total{method="GetDeviceInfo",proto="4"} 1
+node_nfs_requests_total{method="GetDeviceInfo",proto="4"} 90
 node_nfs_requests_total{method="GetDeviceList",proto="4"} 0
 node_nfs_requests_total{method="GetLeaseTime",proto="4"} 28
 node_nfs_requests_total{method="Getattr",proto="4"} 88
 node_nfs_requests_total{method="LayoutCommit",proto="4"} 26
-node_nfs_requests_total{method="LayoutGet",proto="4"} 90
+node_nfs_requests_total{method="LayoutGet",proto="4"} 1
 node_nfs_requests_total{method="LayoutReturn",proto="4"} 0
 node_nfs_requests_total{method="LayoutStats",proto="4"} 0
 node_nfs_requests_total{method="Link",proto="2"} 17
diff --git a/collector/fixtures/sys.ttar b/collector/fixtures/sys.ttar
index 2cac29e493..71107e7908 100644
--- a/collector/fixtures/sys.ttar
+++ b/collector/fixtures/sys.ttar
@@ -555,6 +555,11 @@ Lines: 1
 N/A (no PMA)
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: sys/class/infiniband/i40iw0/ports/1/link_layer
+Lines: 1
+InfiniBand
+Mode: 664
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: sys/class/infiniband/i40iw0/ports/1/phys_state
 Lines: 1
 5: LinkUp
@@ -720,6 +725,11 @@ Lines: 1
 0
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: sys/class/infiniband/mlx4_0/ports/1/link_layer
+Lines: 1
+InfiniBand
+Mode: 664
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: sys/class/infiniband/mlx4_0/ports/1/phys_state
 Lines: 1
 5: LinkUp
@@ -824,6 +834,11 @@ Lines: 1
 0
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: sys/class/infiniband/mlx4_0/ports/2/link_layer
+Lines: 1
+InfiniBand
+Mode: 664
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: sys/class/infiniband/mlx4_0/ports/2/phys_state
 Lines: 1
 5: LinkUp
@@ -1330,6 +1345,11 @@ Mode: 755
 Directory: sys/class/nvme/nvme0
 Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: sys/class/nvme/nvme0/cntlid
+Lines: 1
+1997
+Mode: 644
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: sys/class/nvme/nvme0/firmware_rev
 Lines: 1
 1B2QEXP7
diff --git a/go.mod b/go.mod
index 163b3fdffe..4ec9fa522e 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	github.com/prometheus/client_model v0.6.2
 	github.com/prometheus/common v0.53.0
 	github.com/prometheus/exporter-toolkit v0.11.0
-	github.com/prometheus/procfs v0.15.1
+	github.com/prometheus/procfs v0.21.1
 	github.com/safchain/ethtool v0.7.0
 	github.com/stretchr/testify v1.11.1
 	github.com/tklauser/go-sysconf v0.4.0
diff --git a/go.sum b/go.sum
index 22d3c882a9..81a16c9a03 100644
--- a/go.sum
+++ b/go.sum
@@ -82,8 +82,8 @@ github.com/prometheus/common v0.53.0 h1:U2pL9w9nmJwJDa4qqLQ3ZaePJ6ZTwt7cMD3AG3+a
 github.com/prometheus/common v0.53.0/go.mod h1:BrxBKv3FWBIGXw89Mg1AeBq7FSyRzXWI3l3e7W3RN5U=
 github.com/prometheus/exporter-toolkit v0.11.0 h1:yNTsuZ0aNCNFQ3aFTD2uhPOvr4iD7fdBvKPAEGkNf+g=
 github.com/prometheus/exporter-toolkit v0.11.0/go.mod h1:BVnENhnNecpwoTLiABx7mrPB/OLRIgN74qlQbV+FK1Q=
-github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
-github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/prometheus/procfs v0.21.1 h1:GljZCt+zSTS+NZq88cyQ1LjZ+RCHp3uVuabBWA5+OJI=
+github.com/prometheus/procfs v0.21.1/go.mod h1:aB55Cww9pdSJVHk0hUf0inxWyyjPogFIjmHKYgMKmtY=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/safchain/ethtool v0.7.0 h1:rlJzfDetsVvT61uz8x1YIcFn12akMfuPulHtZjtb7Is=