[ 4372.860292][T20675] gre: GRE over IPv4 demultiplexor driver
[ 4374.921791][T20698] ip_gre: GRE over IPv4 tunneling driver
[ 4435.122680][T21271] ip6_gre: GRE over IPv6 tunneling driver
[ 4477.060481][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4483.011417][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4487.875395][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4493.699456][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!