[ 4421.395605][T22365] gre: GRE over IPv4 demultiplexor driver
[ 4423.464908][T22388] ip_gre: GRE over IPv4 tunneling driver
[ 4484.851329][T22968] ip6_gre: GRE over IPv6 tunneling driver
[ 4527.535426][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4533.424298][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4538.671302][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4544.559300][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!