[ 4416.031783][T22427] gre: GRE over IPv4 demultiplexor driver
[ 4418.062127][T22451] ip_gre: GRE over IPv4 tunneling driver
[ 4478.265769][T23024] ip6_gre: GRE over IPv6 tunneling driver
[ 4519.667609][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4525.427483][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4530.291492][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.051509][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!