Observed this on B/oracle-5.4, cycle sru-20210621 .
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https://bugs.launchpad.net/bugs/1896448
Title:
ip6gretap / erspan / ip6erspan in rtnetlink.sh from net of
ubuntu_kernel_selftests failed on B-5.4-aws / B-5.4-gke / B-5.4-oracle
/ B-5.4-azure / B-5.4
Status in ubuntu-kernel-tests:
In Progress
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Focal:
Confirmed
Bug description:
Issue found on 5.4.0-1025.25~18.04.1, this issue was not spotted
before fixing the false-negative return value of this rtnetlink.sh
test (bug 1890136)
# Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ hoplimit TTL ]
# [ encaplimit ELIM ]
# [ tclass TCLASS ]
# [ flowlabel FLOWLABEL ]
# [ dscp inherit ]
# [ fwmark MARK ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ erspan IDX ]
#
# Where: ADDR := IPV6_ADDRESS
# TTL := { 0..255 } (default=64)
# KEY := { DOTTED_QUAD | NUMBER }
# ELIM := { none | 0..255 }(default=4)
# TCLASS := { 0x0..0xff | inherit }
# FLOWLABEL := { 0x0..0xfffff | inherit }
# MARK := { 0x0..0xffffffff | inherit }
# Cannot find device "ip6gretap00"
# FAIL: ip6gretap
# Usage: ... { gre | gretap | erspan } [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ ttl TTL ]
# [ tos TOS ]
# [ [no]pmtudisc ]
# [ [no]ignore-df ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ external ]
# [ fwmark MARK ]
# [ erspan IDX ]
#
# Where: ADDR := { IP_ADDRESS | any }
# TOS := { NUMBER | inherit }
# TTL := { 1..255 | inherit }
# KEY := { DOTTED_QUAD | NUMBER }
# MARK := { 0x0..0xffffffff }
# Cannot find device "erspan00"
# Cannot find device "erspan00"
# Cannot find device "erspan00"
# Usage: ... { gre | gretap | erspan } [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ ttl TTL ]
# [ tos TOS ]
# [ [no]pmtudisc ]
# [ [no]ignore-df ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ external ]
# [ fwmark MARK ]
# [ erspan IDX ]
#
# Where: ADDR := { IP_ADDRESS | any }
# TOS := { NUMBER | inherit }
# TTL := { 1..255 | inherit }
# KEY := { DOTTED_QUAD | NUMBER }
# MARK := { 0x0..0xffffffff }
# Cannot find device "erspan00"
# Cannot find device "erspan00"
# Cannot find device "erspan00"
# FAIL: erspan
# Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ hoplimit TTL ]
# [ encaplimit ELIM ]
# [ tclass TCLASS ]
# [ flowlabel FLOWLABEL ]
# [ dscp inherit ]
# [ fwmark MARK ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ erspan IDX ]
#
# Where: ADDR := IPV6_ADDRESS
# TTL := { 0..255 } (default=64)
# KEY := { DOTTED_QUAD | NUMBER }
# ELIM := { none | 0..255 }(default=4)
# TCLASS := { 0x0..0xff | inherit }
# FLOWLABEL := { 0x0..0xfffff | inherit }
# MARK := { 0x0..0xffffffff | inherit }
# Cannot find device "ip6erspan00"
# Cannot find device "ip6erspan00"
# Cannot find device "ip6erspan00"
# Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ hoplimit TTL ]
# [ encaplimit ELIM ]
# [ tclass TCLASS ]
# [ flowlabel FLOWLABEL ]
# [ dscp inherit ]
# [ fwmark MARK ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ erspan IDX ]
#
# Where: ADDR := IPV6_ADDRESS
# TTL := { 0..255 } (default=64)
# KEY := { DOTTED_QUAD | NUMBER }
# ELIM := { none | 0..255 }(default=4)
# TCLASS := { 0x0..0xff | inherit }
# FLOWLABEL := { 0x0..0xfffff | inherit }
# MARK := { 0x0..0xffffffff | inherit }
# Cannot find device "ip6erspan00"
# Cannot find device "ip6erspan00"
# Cannot find device "ip6erspan00"
# Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
# [ local ADDR ]
# [ [i|o]seq ]
# [ [i|o]key KEY ]
# [ [i|o]csum ]
# [ hoplimit TTL ]
# [ encaplimit ELIM ]
# [ tclass TCLASS ]
# [ flowlabel FLOWLABEL ]
# [ dscp inherit ]
# [ fwmark MARK ]
# [ dev PHYS_DEV ]
# [ noencap ]
# [ encap { fou | gue | none } ]
# [ encap-sport PORT ]
# [ encap-dport PORT ]
# [ [no]encap-csum ]
# [ [no]encap-csum6 ]
# [ [no]encap-remcsum ]
# [ erspan IDX ]
#
# Where: ADDR := IPV6_ADDRESS
# TTL := { 0..255 } (default=64)
# KEY := { DOTTED_QUAD | NUMBER }
# ELIM := { none | 0..255 }(default=4)
# TCLASS := { 0x0..0xff | inherit }
# FLOWLABEL := { 0x0..0xfffff | inherit }
# MARK := { 0x0..0xffffffff | inherit }
# Cannot find device "ip6erspan00"
# FAIL: ip6erspan
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