[ 3431.215255][T22964] gre: GRE over IPv4 demultiplexor driver
[ 3432.381007][T22987] ip_gre: GRE over IPv4 tunneling driver
[ 3468.925050][T23559] ip6_gre: GRE over IPv6 tunneling driver
[ 3493.613615][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3497.453527][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3500.781487][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3504.557517][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!