[ 4289.159153][T20291] gre: GRE over IPv4 demultiplexor driver
[ 4291.208165][T20314] ip_gre: GRE over IPv4 tunneling driver
[ 4352.358391][T20885] ip6_gre: GRE over IPv6 tunneling driver
[ 4395.637517][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4401.846291][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4407.093321][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4413.109303][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!