[ 4700.822814][T23234] gre: GRE over IPv4 demultiplexor driver
[ 4703.120938][T23257] ip_gre: GRE over IPv4 tunneling driver
[ 4771.641636][T23833] ip6_gre: GRE over IPv6 tunneling driver
[ 4819.275680][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4825.930512][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4831.498494][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4838.026500][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!